Authorizes Arlington to use ranked-choice voting for specified local offices, pending voter approval; uses round-by-round tallies and publishes results to boost transparency.

Requires insurers to allow medication sync with pro-rated copays and full dispensing fees; cannot deny partial fills for syncing; aims to boost adherence and lower costs.

Expands MA 61A tax breaks: owners with two+ noncontiguous parcels totaling 5+ acres qualify if within 10 miles or same municipality, treated as contiguous for benefits.